You are here:
AXTER ROOF WATERPROOFING AND INSULATION SPECIFICATION |
| Supporting deck |
Existing waterproofing |
| Application |
Single layer waterproofing , no insulation |
| System reference |
ALPAL 3000 S |
|
Existing waterproofing with no added thermal insulation
Single layer waterproofing
Reinforced bitumen membranes should only be applied over a continuous substrate which provides full support. Substrate Materials used to form the roof deck in flat roofs should be those listed in BS 6229:2003 Flat roofs with continuously supported coverings – Code of practice and conform to the relevant requirements in BS 8217:2005 Reinforced bitumen membranes – Code of practice.
The waterproofing system should conform to the requirements of British Standard 8747:2007 Reinforced Bitumen membranes (RBMs) for roofing – Guide to selection and specification and be installed in accordance with British Standard BS 8217:2005. |
| Supporting deck |
Existing membrane or asphalt waterproofing system |
| Deck preparation |
Ensure substrate is sound, cut and seal all blisters, remove details. Prime all surfaces with a suitable bituminous primer and allow to dry in accordance with Annex C of British Standard BS 6229:2003. |
| Waterproofing system |
Base layer |
Not required |
| |
Intermediate layer |
Not required |
| |
Cap sheet |
ALPAL 3000 S |
| |
SP classification |
S4P3 |
| Details |
ALPAL 3000 S |
| Finishes |
Self protected system |
|
